PowerShell doesn’t support gzip as far as I found, but we can make use of the. Start-BitsTransfer -Source "" -Destination "c:\temp\maxmind\" The BitsTransfer cmdlet if available is really fast at downloading” Import-Module BitsTransfer New-Item -ItemType directory -Path C:\temp\maxmind\ Find and copy the file we need, to our destinationįirst we’ll delete any folder we plan to create (in case a previous run of this script failed in the middle), and then create our temp folder: Remove-Item "c:\temp\maxmind\" -Filter * -Recurse -ErrorAction Ignore.But now we have a couple layers to deal with. Tar or tarball is an archive format, which allows multiple files to be grouped into one for backup or distribution purposes.Ĭombining the two, which is very common, let’s you download a single very well compressed archive containing multiple files and folders. There’s a good comparison on popular compression algorithms worth checking out: Gzip is a compression algorithm, and is based on the DEFLATE algorithm, which is a combination of LZ77 and Huffman coding. In PowerShell v5+ we have the Expand-Archive command: Expand-Archive c:\a.zip -DestinationPath c:\a But only to find that PowerShell doesn’t make this quite trivial. Sorry, did I get it right this time? Kind of embarrassing but I'm trying to wrap my head around it.We found ourselves with a requirement to download an updated version of a public dataset on a regular basis, so PowerShell + windows scheduler came to mind, since the application runs in a windows environment. Because this patch doesn't just affect the download of binary files, it affects the downloads of package index/yaml too which should allow for on-the-wire decompression so CDNs could turn on transparent compression and solve the Bitnami index problem. And in our case that transformation in the middle done by HTTP client library used by helm. ![]() We should ignore any transformations in the middle. With helm we have very specific case - we just need to download binary file (and we know it's binary) from server, then untar it with uncompress option and that's it. The problem is that this patch which disables compression for everything and affects the index file Bitnami uses which is not uploaded as a compressed. What they should do is sent it with a mime type as described here. ![]() tgz file on a bugged webserver will send it down with a mime-type that instructs the client to unzip on the wire. Let me try again! So while I had it backwards, the problem is essentially that a client that request a. If this patch was reverted, they could have simply enabled compressed on CloudFlare (because CloudFlare like ~100% of the internet except Atlassian does not mistakenly serve decompressed data as compressed). If I'm right on all this, this is probably the core cause facing the Bitnami project's chart truncation. Extracting tar.gz File Gzip algorithm is designed to compress only a single file. Windows users need to install additional software such as 7zip to open. The problem is that Atlassian mistakenly marks files they intentionally decompress as compressed. gz file, right-click on the file you want to decompress and select Extract. I would not have set DisableCompression to true. Also it's not just Helm that's broken on BitBucket, apparently all of Chrome is. Except there the problem pertains to images not helm charts. You can see error explained in BCLOUD-21555 the best. (BCLOUD%2C%20BSERV)%20AND%20text%20~%20%22gzip%20bitbucket%22%20ORDER%20BY%20cf%5B13230%5D%20ASCįrom my understanding, the bug is that Atlassian decompressed on the server (on upload), and rather than re-compressing when they serve or serving as a different mime type they simply serve the decompressed file as if it was compressed.Someone pasted the link to the problem, and there are tons of reports in the atlassian bug repo over this issue, ![]() I don't understand this? did we disable Go's transparent on-the-wire native gzip decompression because of a bug in bitbuket's server implementation?
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